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Finding the Fourth Proportional to 583,787.18, 805,608.03 and 342,230.64

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Solution

The fourth proportional to 583,787.18, 805,608.03 and 342,230.64 is: 472,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,787.18 : 805,608.03 = 342,230.64 : x
  2. Step 2: Convert to fraction form
    583,787.18/805,608.03 = 342,230.64/x
  3. Step 3: Cross multiply
    583,787.18x = 805,608.03 × 342,230.64
  4. Step 4: Simplify right side
    583,787.18x = 275,703,751,696.04
  5. Step 5: Solve for x
    x = 275,703,751,696.04/583,787.18
  6. Step 6: Final answer
    x = 472,267.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.